2005 Audi A6 Exterior lighting Problems
- Complaints
- 6about this part
- Share
- 7%of 91 total for the year
- Median mileage
- 112,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the exterior lighting of the 2005 Audi A6, 7% of the 91 complaints for this model year. Where a mileage was given, the median is 112,000 miles. 2 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The left drivers side break light/signal will stop working intermittently. I have noticed that it tends weather dependent. I have read Audi forums whom have said that the electrical wiring when exposed to heat (70 degrees fahrenheit and above) will short causing the LED break/signal light to not work. My mechanic stated that it is also because of a faulty light control module + wiring. Due to the intermittency and high cost of the job it has not been something that I have been able to fix. …”
NHTSA complaint #10913780, filed 2016-10, 120,000 miles“I currently own a 2005 Audi A6 which has a failure of the rear tail lights. Both the driver's and passenger's side rear tail lights fail to illuminate when the vehicle was turned on. There is no brake light, turn light indicator, or hazard lights that is operable. At first it was thought that the bulbs needed to be replaced. However, while replacing the bulb I noticed that the circuit board showed signs of a burnout. It is well known that Audi has had a problem with voltage problems with the tail lights. …”
NHTSA complaint #10817459, filed 2016-01, 112,000 miles“I purchased a 2005 Audi A6 3.2 quattro in august of 2008 with 37,000 miles. In december 2008 I took the car to the Audi dealer in pasadena because the left rear taillight, left rear reversing light, and left rear fog light were shorting out off and on. Sometimes they would work, sometimes they wouldn't. The dealer said the connectors to that left tail lamp assembly were melted and it was fixed under warranty. …”
NHTSA complaint #10332368, filed 2010-05, 51,000 miles“2005 Audi A6 has water damage. Some how over night heavy rain seepage left an inch of water behind driver seat. Car was parked in driveway. All windows and doors where closed. This has caused $10,000.00 electrical damage to modules located under front passenger seat. These modules alert me about esp/ABS and park brake as well as a module that powers the vehicles mmi/navigation and stereo system. None of these function any longer. Insurance company wants to totaled the vehicle,I spent $7000.00 already on repairing the vehicle. Don't know where the water entered my vehicle. Is Audi responsible? …”
NHTSA complaint #10549335, filed 2013-10, 109,000 milesRelated service bulletins
- 10169118Dec 6, 2019Exterior lights, moisture accumulation 2013-2021 A3 Cabriolet, 2016-2018 Sportback, 2004-2005 A4 Cabriolet, 2004-2008 S4 Cabriolet, 2008 RS4 Cabriolet, 2010-2021 A4 allroad…
- 10127856Jul 31, 2017This informational bulletin contains technical information for when there is condensation visible on the inside of the headlight, taillight, fog light, side marker light, front…
- 10120003Apr 17, 2015Supersedes Technical Service Bulletin Group 94 number 12-92 dated October 24, 2012. Condensation is visible on the inside of the headlight, taillight, fog light, side marker…
Exterior lighting: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 1 | 6% |
| 2019 | 3 | 3% |
| 2013 | 1 | 2% |
| 2010 | 1 | 6% |
| 2008 | 6 | 8% |
| 2007 | 3 | 6% |
| 2006 | 3 | 4% |
| 2005 | 6 | 7% |
| 2004 | 2 | 6% |
| 2003 | 2 | 3% |
| 2002 | 2 | 2% |
| 2001 | 6 | 5% |
| 2000 | 3 | 2% |
| 1999 | 7 | 3% |
| 1998 | 3 | 2% |
| 1997 | 1 | 5% |
| 1996 | 4 | 8% |
| 1995 | 1 | 6% |
Other parts of the 2005 Audi A6
43 complaintsElectrical system
16 complaintsBrakes
10 complaintsSteering
8 complaintsElectronic stability control
5 complaintsVisibility (wipers, defrost, mirrors)
5 complaintsEngine
4 complaintsVehicle speed control
4 complaintsEngine cooling
3 complaintsBody and structure
3 complaintsTransmission and drivetrain
3 complaintsOther or unknown
2 complaints
← All problems reported for the 2005 Audi A6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology